docs: def set_timestamp(self, time: Union[str, datetime.datetime] = None,
                        now: bool = False) -> None:
          """
          Sets the timestamp of the embed.
  
          Parameters
          ----------
          time: str or :class:`datetime.datetime`
              The ``ISO 8601`` timestamp from the embed.
  
          now: bool
              Defaults to :class:`False`.
              If set to :class:`True` the current time is used for the timestamp.
  
          """
          if now:
              self.timestamp = str(datetime.datetime.utcnow())
          else:
              self.timestamp = str(time)